Home / 19,691.25-29,503.98-13,837.38

Finding the Fourth Proportional to 19,691.25, 29,503.98 and 13,837.38

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Solution

The fourth proportional to 19,691.25, 29,503.98 and 13,837.38 is: 20,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.25 : 29,503.98 = 13,837.38 : x
  2. Step 2: Convert to fraction form
    19,691.25/29,503.98 = 13,837.38/x
  3. Step 3: Cross multiply
    19,691.25x = 29,503.98 × 13,837.38
  4. Step 4: Simplify right side
    19,691.25x = 408,257,782.77
  5. Step 5: Solve for x
    x = 408,257,782.77/19,691.25
  6. Step 6: Final answer
    x = 20,732.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.